Abstract
Biomass energy accounts for more than 90% of the total rural energy supplies in developing countries. The combustion of domestic biofuels results in the emission of trace gases such as CO2, CO, NO and CH4 and aerosols. Such gases have a significant influence on climate and biogeochemical cycles. Trace gas emissions in this study were estimated based on the amount of domestic biofuel used by rural households across southern African countries. This study found that South Africa contributes the most trace gases to the regional budget (9.12 Tg C a−1 of CO2, 0.89 Tg C a−1 of CO, 10.77 Gg N a−1 of NO and 30.25 Gg C a−1 of CH4) and Botswana the least (0.25 Tg a−1 of CO2, 0.02 Tg a−1 of CO, 0.29 Gg a−1 of NO and 0.83 Gg a−1 of CH4). Fuelwood is the dominant fuel type used in all southern African countries and contributes to high emissions of trace gases. Annual CO2, CO, NO and CH4 emissions produced in Southern Africa are 23.0 Tg C, 2.2 Tg C, 29.4 Gg N and 81.4 Gg C, respectively.
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Financial support provided by the Electricity Supply Commission of South Africa (Eskom), Department of Trade and Industry (DTI), Council for the Scientific and Industrial Research (CSIR), National Research Foundation (NRF) and National Student Financial Aid Scheme of South Africa (NSFAS) is greatly acknowledged.
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Mulaudzi, S.K., Otter, L., Makhado, R.A. (2020). Trace Gas Emissions from Domestic Biofuel Combustion in Southern Africa. In: Mammino, L. (eds) Biomass Burning in Sub-Saharan Africa. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-0808-2_4
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DOI: https://doi.org/10.1007/978-94-007-0808-2_4
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